Petersen's retroanastomotic hernia.
D000328:Adult; D000368:Aged; D005260:Female; D005763:Gastroenterostomy / Q000009:adverse effects*; D006547:Hernia / Q000209:etiology* / Q000401:mortality / Q000517:prevention & control; D059685:Herniorrhaphy; D006801:Humans; D007049:Iatrogenic Disease; D007415:Intestinal Obstruction; D007583:Jejunum / Q000601:surgery*; D008297:Male; D008875:Middle Aged